diatomaceous earth


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di·a·to·ma·ceous earth

a powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.

di·a·to·ma·ceous earth

(dī'ă-tŏ-mā'shē-ŭs ĕrth)
A powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.

diatomaceous earth

Silica containing fossilized shells of microscopic algae with a siliceous or calcium-containing cell wall. It is used in insulating material and filters and as an absorbent. Synonym: diatomite

earth

1. soil; softer part of the land, as distinct from rock.
2. metallic oxides in the form of unchangeable powder.

diatomaceous earth
a fine white powder composed of the siliceous skeletons of diatoms; used in treating diarrhea and as a feed additive. Called also infusorial earth, purified siliceous earth.
infusorial earth
see diatomaceous earth (above).
siliceous earth
see diatomaceous earth (above).
References in periodicals archive ?
The vermicompost of sewage sludge, plant residues and diatomaceous earth at the proportion of 30.
Diatomaceous earth increases the efficacy of Beauveria bassiana against Tribolium castaneum larvae and increase conidia attachment.
No significant decrease was observed in the number of eggs per fruit on plants treated with diatomaceous earth (S = 2.
Combination of diatomaceous earth and powder deltamethrin for insect control in stored corn.
This was followed by oven drying for 24 hours to eliminate moisture which affects the effectiveness of diatomaceous earth [11].
It is not surprising that Cryptosporidium was not detected in samples of swimming pool water and diatomaceous earth filter.
2% at the 20%-by-volume rate for calcined clay, extruded diatomaceous earth, vitrified clay, and zeolite, respectively.
The tube was packed with diatomaceous earth with a particle size of 15-50 [micro]m, a saturated volumetric water content [[Theta].
The new arrangement, using potassium permanganate oxidation and a modified diatomaceous earth filtration train, is more economical than traditional manganese reduction methods and requires much less site area.
2] for fumigation and diatomaceous earth for grain surface treatment.
DeHart soon will try to combat the nematodes with biological control techniques, including diatomaceous earth, beneficial nematodes that devour the pest nematodes and introduction of bacteria that infect and kill the nematodes.
Conventional filters for grinding and honing operations sometimes use filter aids like alpha cellulose or diatomaceous earth that help in the filtration process.